Guest Stars Rory Nolan as Morrice O'Hanlon Kate Moran as Anna Coyle Gloria Cramer Curtis as Rose Manning Catherine Walker as Deirdre Kilbride Eddie Jackson as Cormac Walsh Adjoa Andoh as Margaret Kroll Lorcan Cranitch as CS James Nulty Madeleine Knight as Mila Beck Charlie Kelly as Aidan O'Sullivan Paul Reade as Ambrose Rynne Garry Robinson as Ciaran Boyle Tomás Ó Súilleabháin as Patrick Mulvaney Ignacy Rybarczyk as Bondarenko